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In a comment that now seems to have been removed, a reader points to this stop-and-recall service from SWIFT, which again basically asks whether blockchain is really necessary for any of this: https://www.swift.com/our-solutions/swift-gpi/stop-and-recall

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Is it cynical to see JPM selling JPM Coin at a premium? Is it too heterodox to consider power as a motivating force?

If the Fed were smart (will current Fed tightening be seen as a policy error, like defending the gold standard during the Great Depression?), could they compete by paying the inflation rate as interest on CBDC accounts, using as excuse the mainstream argument that monetary policy can be implemented directly on an individual level, by encouraging microfoundations to save in inflationary times? (Will JPM claim its Coin pays off higher ...?)

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Hmm. I'm not convinced that you need blockchain for any of this. You don't need blockchain to be able to encrypt privileged information. And you don't need blockchain to be able to avoid storing data on a single central server either.

You also don't need blockchain to be able to execute programmable contracts.

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